What powers calculators.tech?
Last seen Jun 2026 · 14 technologies across 11 categories
Advertising
snigel AdEngine
since Oct 2023
Analytics
Cloudflare Browser Insights
since Nov 2025
Microsoft Clarity
since Oct 2021
CDN
cdnjs
since Nov 2021
Cloudflare
since Jul 2019
Ecommerce
Cart Functionality
since Nov 2021
Font scripts
Google Font API
since Jul 2019
JavaScript graphics
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Security
Cloudflare Bot Management
since Oct 2023
UI frameworks
Webmail
Google Workspace
since Nov 2024
Audience
- 54% desktop
- 46% phone
India
Indonesia
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.93 / 10 · ranked #627,186 of all domains
80 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.0 MB · 55 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Jun 2026
- detected snigel AdEngine Jun 2026
- dropped 33Across Feb 2026
- dropped Amazon Advertising Feb 2026
- dropped Cloudflare Bot Management Feb 2026
- dropped core-js Feb 2026
- dropped Criteo Feb 2026
- dropped Funding Choices Feb 2026
- dropped Google AdSense Feb 2026
- dropped Google Publisher Tag Feb 2026
- dropped Google Tag Manager Feb 2026
- dropped ID5 Feb 2026
- dropped jsDelivr Feb 2026
- dropped Microsoft ASP.NET Feb 2026
- dropped OpenX Feb 2026
- dropped Prebid Feb 2026
- dropped Quantcast Measure Feb 2026
- dropped reCAPTCHA Feb 2026
- dropped snigel AdConsent Feb 2026
- dropped snigel AdEngine Feb 2026
- dropped Snowplow Analytics Feb 2026
- detected Cloudflare Browser Insights Nov 2025
- detected Quantcast Measure Nov 2025
- dropped Adobe Audience Manager Oct 2025
- dropped AppNexus Oct 2025
- detected Adobe Audience Manager Aug 2025
- dropped PubMatic Aug 2025
- dropped Rubicon Project Aug 2025
- dropped TripleLift Aug 2025